<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Insert title here</title>
<style type="text/css">
html,body {
	height: 100%;
	width: 100%;
}
</style>
<script type="text/javascript">
 function moveIt()
 {
	var tema=document.getElementById("move");
	tema.style.top="40%";
	tema.style.bottom= "40%";
	tema.style.left= "40%";
	tema.style.right="40%";
	tema.style.position="relative";
 }
</script>
</head>
<body onload="moveIt()">
<div id="move"
	style="border: 1px black solid; height: 20%; width: 20%">
</div>
</body>
</html>